Collect all 5 Xel’Naga Artifacts.
Dodge a Raven Seeker Missile in a Melee game.
Kill 150 Zerg units with the Artifact in the “All In” mission on Normal difficulty.
Complete all mission objectives in the “Shatter the Sky” mission.
Kill 20 enemy units with the Laser Drill in “The Dig” mission on Normal difficulty.